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Please help!

Tiny
SAMHOWARD
  • MEMBER
  • 1990 CHEVROLET TRUCK
  • V8
  • 2WD
  • 150,000 MILES
I have a 90 model chevy 1500 with a 5.7 v8, you can go about 15 or 20 miles or( until the motor gets warmed it seems) and have it on cruise conrol! Shut off the cruise control and the service engine soon light will come on, get eight back on the gas and it will turn off and it kinda sounds like it is trying to backfire or something! Heard it could be tho O2 sensor or the EGR valve! Please help?
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Tuesday, March 8th, 2011 AT 1:52 AM

2 Replies

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
https://www.2carpros.com/articles/checking-a-service-engine-soon-or-check-engine-light-on-or-flashing

Have the computer scanned for code/s-you have a problem within the engine management system that caused the CEL to turn on-This is your starting point of diagnosis,finding out what's going on
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Tuesday, March 8th, 2011 AT 3:11 AM
Tiny
SAMHOWARD
  • MEMBER
  • 2 POSTS
Well today I actually popped the hood and looked around for the first time and it turns out their is nothin connected to egr valve! Not a vacuum line (hose)nothin! So I'm kinda leaning towards that, But where could I use one of those computers to check it out first? Oreily's? Autozone?
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Wednesday, March 9th, 2011 AT 2:30 AM

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